/* ═══════════════════════════════════════════════════════════════
   FranceConcours — harmonisation shell app.html
   Chargé EN DERNIER dans <head> (après board / soft-ui) pour gagner la cascade.
   Sélecteurs #app-layer / #screen-home pour battre le CSS embarqué.
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Pont SPA → fondation fc-core (landing = référence) */
  --bg: var(--fc-bg, #f8f8f5);
  --surface: var(--fc-surface, #ffffff);
  --surface2: var(--fc-bg-secondary, #f0f1f8);
  --surface3: var(--fc-indigo-soft, #eeefff);
  --surface4: var(--fc-line, #e5e7ef);
  --surface5: #dfe2ed;
  --border: rgba(17, 24, 49, 0.06);
  --border2: rgba(17, 24, 49, 0.1);
  --navy: var(--fc-ink, #111831);
  --navy-light: var(--fc-indigo-dark, #3c3fb5);
  --indigo: var(--fc-indigo, #5556d9);
  --primary: var(--fc-indigo, #5556d9);
  --primary-hover: var(--fc-indigo-dark, #3c3fb5);
  --accent: var(--fc-indigo, #5556d9);
  --indigo-dim: var(--fc-indigo-dim, rgba(85, 86, 217, 0.08));
  --gold: var(--fc-gold, #c9a96b);
  --gold-dim: var(--fc-gold-dim, rgba(201, 169, 107, 0.12));
  --gold-text: var(--fc-gold-text, #8b6914);
  --text: var(--fc-text, #111831);
  --text-sub: var(--fc-text-sub, #68718b);
  --text-muted: var(--fc-text-muted, #8a92a8);
  --sidebar-bg: var(--fc-bg-secondary, #f0f1f8);
  --sidebar-border: rgba(17, 24, 49, 0.08);
  --sidebar-text: var(--fc-ink, #111831);
  --sidebar-text-sub: var(--fc-text-sub, #68718b);
  --sidebar-active-bg: var(--fc-indigo-soft, #eeefff);
  --sidebar-active-text: var(--fc-ink, #111831);
  --sidebar-hover-bg: rgba(85, 86, 217, 0.06);
  --sidebar-accent: var(--fc-indigo, #5556d9);
  --topbar-bg: rgba(248, 248, 245, 0.92);
  --shadow-sm: var(--fc-shadow-md, 0 12px 34px rgba(22, 29, 63, 0.07));
  --shadow: var(--fc-shadow-lg, 0 24px 70px rgba(22, 29, 63, 0.12));
  --fc-shadow-soft: var(--fc-shadow-md, 0 12px 34px rgba(22, 29, 63, 0.07));
  --fc-shadow-card: var(--fc-shadow-lg, 0 24px 70px rgba(22, 29, 63, 0.12));
  --fc-radius-card: 17px;
  --fc-radius-btn: var(--fc-radius-md, 12px);
  --fc-action: var(--fc-indigo, #5556d9);
  --fc-action-hover: var(--fc-indigo-dark, #3c3fb5);
  --fc-action-shadow: var(--fc-btn-primary-shadow, 0 9px 22px rgba(85, 86, 217, 0.24));
}

body {
  font-family: var(--fc-font-body, 'Plus Jakarta Sans', Inter, system-ui, sans-serif) !important;
  background: var(--bg) !important;
  color: var(--text) !important;
}

#auth-layer {
  background: var(--bg) !important;
}

#app-layer {
  --sidebar-bg: var(--sidebar-bg);
  --sidebar-active-bg: var(--sidebar-active-bg);
  --sidebar-active-text: var(--sidebar-active-text);
  --sidebar-accent: var(--indigo);
  --r-lg: 18px;
  --shadow-sm: var(--fc-shadow-soft);
}

/* Fond principal — grille discrète (landing) */
#app-layer .main {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(85, 86, 217, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 86, 217, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: center top;
}

#app-layer.is-fc-catalog .main,
#app-layer[data-shell="portal"] .main {
  background-image:
    linear-gradient(rgba(85, 86, 217, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 86, 217, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
}

/* ── Sidebar ── */
#app-layer .sidebar {
  background: linear-gradient(180deg, #fafaf7 0%, var(--sidebar-bg) 100%);
  border-right: 1px solid var(--fc-line);
  box-shadow: 4px 0 24px rgba(22, 29, 63, 0.05);
}

#app-layer .sidebar-logo {
  border-bottom-color: var(--fc-line);
}

#app-layer .logo-mark {
  background: linear-gradient(145deg, #6768e7, #36398f);
  border-radius: 11px;
  box-shadow: 0 5px 12px rgba(85, 86, 217, 0.28);
}

#app-layer .nav-item {
  border-radius: 10px;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

#app-layer .nav-item:hover {
  transform: translateX(3px);
}

#app-layer .nav-item.active {
  background: var(--fc-indigo-soft);
  color: var(--indigo);
  box-shadow: inset 3px 0 0 var(--gold);
}

#app-layer .nav-item.active::before {
  background: var(--indigo);
  width: 3px;
  height: 18px;
}

#app-layer .nav-group-label {
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.06em;
}

#app-layer .logo-text {
  font-family: 'Sora', 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

#app-layer .logo-text span {
  color: var(--indigo);
}

#app-layer .logo-sub {
  color: var(--text-muted);
  font-size: 10px;
}

#app-layer .nav-featured {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-btn);
  background: var(--surface);
  box-shadow: var(--fc-shadow-soft);
}

#app-layer .nav-featured:hover {
  border-color: rgba(85, 86, 217, 0.35);
  background: var(--fc-indigo-soft);
}

#app-layer .breadcrumb {
  color: var(--text-sub);
  font-weight: 600;
}

#app-layer .breadcrumb .bc-link {
  color: var(--indigo);
  cursor: pointer;
}

#app-layer .breadcrumb .bc-link:hover {
  color: var(--primary-hover);
}

#app-layer .gs-trigger {
  border: 1px solid var(--fc-line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-sub);
}

#app-layer .gs-trigger:hover {
  border-color: rgba(85, 86, 217, 0.35);
  color: var(--indigo);
}

#app-layer .theme-toggle {
  border: 1px solid transparent;
  border-radius: 10px;
}

#app-layer .theme-toggle:hover {
  background: var(--fc-indigo-soft);
  border-color: rgba(85, 86, 217, 0.2);
}

#app-layer .bnav-btn {
  color: var(--text-muted);
  font-weight: 650;
}

#app-layer .bnav-btn.active {
  color: var(--indigo);
  font-weight: 700;
}

#auth-layer .auth-logo-mark {
  background: linear-gradient(145deg, #6768e7, #36398f);
  border-radius: 11px;
  box-shadow: 0 5px 12px rgba(85, 86, 217, 0.28);
}

#auth-layer .auth-logo-text span {
  color: var(--indigo);
}

#auth-layer .field-input {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-btn);
  background: var(--surface);
}

#auth-layer .field-input:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(85, 86, 217, 0.12);
}

#app-layer .nav-badge.gold {
  background: var(--gold);
  color: var(--navy);
}

/* ── Topbar & bottom nav ── */
#app-layer .topbar {
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--fc-line);
  box-shadow: 0 1px 0 rgba(22, 29, 63, 0.05);
}

#app-layer .bnav {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--fc-line);
  box-shadow: 0 -8px 32px rgba(22, 29, 63, 0.06);
}

#app-layer .bnav-btn.active {
  color: var(--indigo);
}

/* Dashboard CCC (#screen-home) → fc-dashboard.css (chargé après ce fichier) */

#app-layer .screen:not(#screen-home) .module-card {
  border-radius: var(--fc-radius-card);
  border-color: rgba(15, 31, 75, 0.1);
  box-shadow: var(--fc-shadow-soft);
}

#app-layer .chapter-card {
  border-radius: 14px;
  border: 1px solid var(--fc-line);
  box-shadow: var(--fc-shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

#app-layer .chapter-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--fc-shadow-card);
  border-color: var(--indigo);
}

/* ── QCM ── */
#app-layer .qcm-card {
  border-radius: var(--fc-radius-card) !important;
  border: 1px solid var(--fc-line) !important;
  box-shadow: var(--fc-shadow-card) !important;
}

#app-layer .qcm-opt {
  border-radius: 10px !important;
  border: 1px solid var(--fc-line) !important;
  background: #fff;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

#app-layer .qcm-opt:hover:not(.locked):not(.correct):not(.wrong) {
  transform: translateY(-1px);
  border-color: rgba(85, 86, 217, 0.4) !important;
  background: var(--fc-indigo-soft) !important;
}

#app-layer .qcm-opt.correct {
  border-color: var(--success) !important;
  background: var(--success-dim) !important;
}

#app-layer .qcm-opt.wrong {
  border-color: var(--danger) !important;
  background: var(--danger-dim) !important;
}

#app-layer .qcm-opt.selected:not(.correct):not(.wrong) .qcm-letter {
  background: var(--indigo);
  color: #fff;
}

#app-layer .qcm-score-card {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-card);
  box-shadow: var(--fc-shadow-card);
  background: var(--surface);
}

#app-layer .qcm-score-card .qscr-title {
  font-family: 'Sora', 'Plus Jakarta Sans', sans-serif;
  letter-spacing: -0.03em;
}

#app-layer #screen-qcm-player .qcm-player-shell {
  max-width: 720px;
  margin-inline: auto;
}

#app-layer .qcm-opt.selected {
  border-color: var(--indigo) !important;
  background: var(--fc-indigo-soft) !important;
}

#app-layer .qcm-letter {
  border-radius: 8px;
  font-weight: 800;
}

#app-layer .qcm-expl {
  border-radius: 11px;
}

#app-layer .qcm-mode-strip .oral-path-step {
  border-radius: 14px;
  border-color: var(--fc-line);
}

/* ── Leçons ── */
#app-layer .box-info {
  border-left-width: 4px;
  border-radius: 0 12px 12px 0;
  background: var(--fc-indigo-soft);
}

#app-layer .lesson-tree .tree-item,
#app-layer .lesson-tree button {
  border-radius: 9px;
}

#app-layer .lesson-content {
  border-radius: var(--fc-radius-card);
}

#app-layer #screen-lessons .reader-card {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-card);
  box-shadow: var(--fc-shadow-soft);
  background: var(--surface);
}

#app-layer #screen-lessons .reader-head {
  border-bottom: 1px solid var(--fc-line);
}

#app-layer #screen-lessons .reader-title {
  font-family: 'Sora', 'Plus Jakarta Sans', sans-serif;
  font-weight: 750;
  letter-spacing: -0.03em;
  color: var(--text);
}

#app-layer .lesson-tree {
  background: var(--surface);
  border-right: 1px solid var(--fc-line);
}

#app-layer .tree-item.active {
  background: var(--fc-indigo-soft);
  color: var(--indigo);
  border-left-color: var(--indigo);
  font-weight: 600;
}

#app-layer .reader-body {
  line-height: 1.65;
  color: var(--text);
}

#app-layer .reader-body h2,
#app-layer .reader-body h3 {
  font-family: 'Sora', 'Plus Jakarta Sans', sans-serif;
  letter-spacing: -0.02em;
  color: var(--text);
}

#app-layer .box-gold {
  border-left-width: 4px;
  border-radius: 0 12px 12px 0;
  background: rgba(201, 169, 107, 0.1);
  border-left-color: var(--gold);
}

#app-layer .box-danger {
  border-left-width: 4px;
  border-radius: 0 12px 12px 0;
}

#app-layer .box-success {
  border-left-width: 4px;
  border-radius: 0 12px 12px 0;
}

#app-layer .hub-hero {
  border: 1px solid var(--fc-line);
  border-left: 3px solid var(--indigo);
  border-radius: var(--fc-radius-card);
  box-shadow: var(--fc-shadow-soft);
  background: var(--surface);
}

#app-layer #screen-oral-sim .sim-home-hero {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-card);
  background: var(--surface);
  box-shadow: var(--fc-shadow-soft);
  padding: clamp(20px, 4vw, 28px);
}

#app-layer #screen-oral-sim .sim-home-title {
  font-family: 'Sora', 'Plus Jakarta Sans', sans-serif;
  font-weight: 750;
  letter-spacing: -0.03em;
}

#app-layer #screen-oral-sim .sim-cat-card {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-btn);
  background: var(--surface);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

#app-layer #screen-oral-sim .sim-cat-card:hover,
#app-layer #screen-oral-sim .sim-cat-card.selected {
  border-color: rgba(85, 86, 217, 0.45);
  background: var(--fc-indigo-soft);
}

#app-layer #screen-oral-sim .sim-start-btn,
#app-layer #screen-oral-sim .sim-btn-primary,
#app-layer #screen-oral-sim .sim-next-btn {
  background: var(--fc-action);
  border-radius: var(--fc-radius-btn);
  box-shadow: var(--fc-action-shadow);
  font-weight: 700;
}

#app-layer #screen-oral-sim .sim-start-btn:hover:not(:disabled),
#app-layer #screen-oral-sim .sim-btn-primary:hover,
#app-layer #screen-oral-sim .sim-next-btn:hover {
  background: var(--fc-action-hover);
}

#app-layer #screen-oral-sim .sim-question-box {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-card);
  box-shadow: var(--fc-shadow-soft);
}

#app-layer #screen-oral-sim .sim-answer-area:focus {
  border-color: var(--indigo);
  outline: 3px solid #9294ff;
  outline-offset: 1px;
}

#app-layer #screen-oral-sim .sim-candidate-box,
#app-layer #screen-oral-sim .sim-ai-box {
  border: 1px solid var(--fc-line);
  border-radius: var(--fc-radius-btn);
}

/* ── Kiosque in-app ── */
#app-layer .kiosque-hero {
  border-radius: var(--fc-radius-card);
  box-shadow: var(--fc-shadow-card);
}

#app-layer .kiosque-card,
#app-layer .news-card {
  border-radius: 14px;
  border: 1px solid var(--fc-line);
  box-shadow: var(--fc-shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

#app-layer .kiosque-card:hover,
#app-layer .news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--fc-shadow-card);
}

/* ── Auth (#auth-layer hors #app-layer) ── */
#auth-layer .auth-card {
  border-radius: 22px !important;
  border: 1px solid var(--fc-line) !important;
  box-shadow: var(--fc-shadow-card) !important;
  position: relative;
  overflow: hidden;
}

body:not(.beta-mode) #auth-layer .auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--fc-action), #9294ff, var(--gold));
  z-index: 1;
}

#auth-layer .auth-tab {
  border-radius: 10px;
  font-weight: 700;
}

#auth-layer .btn-auth-submit {
  border-radius: var(--fc-radius-btn) !important;
  background: var(--fc-action) !important;
  box-shadow: var(--fc-action-shadow) !important;
  font-weight: 750 !important;
  color: #fff !important;
}

#auth-layer .btn-auth-submit:hover:not(:disabled) {
  background: var(--fc-action-hover) !important;
}

/* ── Boutons ── */
#app-layer .btn-rn.primary,
#app-layer .btn-done {
  border-radius: var(--fc-radius-btn) !important;
  background: var(--fc-action) !important;
  border-color: transparent !important;
  box-shadow: var(--fc-action-shadow) !important;
  font-weight: 700 !important;
  color: #fff !important;
}

#app-layer .btn-rn.primary:hover:not(:disabled),
#app-layer .btn-done:hover {
  transform: translateY(-1px);
  background: var(--fc-action-hover) !important;
  box-shadow: 0 13px 30px rgba(85, 86, 217, 0.31) !important;
}

#app-layer .btn-resume-sm {
  border-radius: 10px;
  font-weight: 700;
}

/* ── Transitions écran ── */
#app-layer .screen.active {
  animation: fcScreenIn 0.4s cubic-bezier(0.2, 0.7, 0.2, 1);
}

@keyframes fcScreenIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

#app-layer .contact-modal-card {
  border-radius: 20px;
  border: 1px solid var(--fc-line);
}

/* Focus */
#app-layer button:focus-visible,
#app-layer a:focus-visible,
#app-layer .nav-item:focus-visible,
#app-layer .qcm-opt:focus-visible,
#auth-layer button:focus-visible,
#auth-layer a:focus-visible,
#auth-layer input:focus-visible {
  outline: 3px solid #9294ff;
  outline-offset: 2px;
}

/* Mode sombre */
:root[data-theme="dark"] #app-layer .main {
  background-image:
    linear-gradient(rgba(91, 127, 214, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 127, 214, 0.06) 1px, transparent 1px);
}

:root[data-theme="dark"] #app-layer .sidebar {
  background: linear-gradient(180deg, #1a2030 0%, #141a28 100%);
  border-right-color: rgba(255, 255, 255, 0.08);
}

:root[data-theme="dark"] #app-layer .topbar,
:root[data-theme="dark"] #app-layer .bnav {
  background: rgba(22, 26, 35, 0.92) !important;
  border-color: rgba(255, 255, 255, 0.08);
}

:root[data-theme="dark"] #app-layer .qcm-opt:not(.correct):not(.wrong) {
  background: var(--surface);
}

:root[data-theme="dark"] #app-layer .qcm-opt:hover:not(.locked):not(.correct):not(.wrong) {
  background: var(--fc-indigo-soft);
}

/* ── Lot B1 : shell concours aligné landing (ivoire + grille) ── */
#app-layer[data-shell="contest"] .main {
  background-color: var(--fc-bg, var(--bg));
  background-image:
    linear-gradient(rgba(85, 86, 217, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 86, 217, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
}

#app-layer[data-shell="contest"] #screen-fc-contest {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(16px, 2.5vw, 28px) clamp(12px, 3vw, 24px) 56px;
}

#app-layer[data-shell="contest"] #fc-contest-root {
  min-height: min(70vh, 720px);
}

#app-layer[data-shell="contest"] .topbar .breadcrumb {
  color: var(--text-sub);
  font-weight: 500;
}

#app-layer[data-shell="contest"] .topbar .bc-link {
  color: var(--indigo);
  font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
  #app-layer .screen.active,
  #app-layer .module-card,
  #app-layer .qcm-opt,
  #screen-home .continue-banner {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  #app-layer .nav-item:hover,
  #screen-home .continue-banner:hover,
  #screen-home .module-card:hover,
  #app-layer .chapter-card:hover,
  #app-layer .kiosque-card:hover,
  #app-layer .news-card:hover {
    transform: none !important;
  }
}